#include <iostream>
using namespace std;

void opstr_func();

int main(void)
{
    string s1;
    string s2 = s1;
    string s3 = "hi, here.";
    string s4(10, 'c');
    string s5("hello zack");

    opstr_func();

    return 0;
}

void opstr_func()
{
    string s;
    cin >> s;
    cout << s << endl;

    string world;
    while (cin >> world)
        cout << world << endl;
}